2001 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium (IEEE Cat. No.01CH37173)
DOI: 10.1109/rfic.2001.935686
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A 2.5 GHz low noise high linearity LNA/mixer IC in SiGe BiCMOS technology

Abstract: A monolithic low noise high linearity LNAlMixer circuit for 2.5 GHz applications has been fabricated in IBM 47 GHz SiGe production process. The measured performance is 8 dBm input IP3,1.6 dB NF and 12 dB Gain for a low noise amplifier (LNA), and 2.5 dBm input IP3, 7.5 dB NF and 14 dB gain for a downconversion mixer with a total current consumption of 26 mA for a 2.75V supply. LNA matching, mixer RF and LO matching and two baluns are all integrated on chip, requiring no critical RF tuning components.

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Cited by 7 publications
(2 citation statements)
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“…The high HBTs and stacked inductors are used to simultaneously achieve high linearity and low noise for low power dissipation [4]. Two 3.3-nH stacked inductors (L1-L2) of 110 110 m and two capacitors (C1-C2), each 1 pF, are used to bias and frequency tune the doubler, as shown in Fig.…”
Section: B I/q Modulatormentioning
confidence: 99%
“…The high HBTs and stacked inductors are used to simultaneously achieve high linearity and low noise for low power dissipation [4]. Two 3.3-nH stacked inductors (L1-L2) of 110 110 m and two capacitors (C1-C2), each 1 pF, are used to bias and frequency tune the doubler, as shown in Fig.…”
Section: B I/q Modulatormentioning
confidence: 99%
“…Another possible solution for implementing a single input narrowband LNA followed by a double balanced mixer is to use an on-chip transformer [ 16 ]. However, this solution is also not effective, since many components need to be integrated in order to implement an on-chip transformer, which will result in an increase in chip area.…”
Section: Introductionmentioning
confidence: 99%